./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3047be65ea0fc5640e4cd865efbd9906b9eaeb4a8d01185b0a8bdb2377eb8eb2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:04:28,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:04:28,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:04:28,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:04:28,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:04:28,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:04:28,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:04:28,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:04:28,640 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:04:28,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:04:28,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:04:28,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:04:28,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:04:28,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:04:28,644 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:04:28,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:04:28,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:04:28,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:04:28,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:04:28,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:04:28,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:04:28,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:04:28,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:04:28,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:04:28,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:04:28,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:04:28,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:04:28,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:04:28,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:04:28,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:04:28,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:04:28,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:04:28,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:04:28,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:04:28,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:04:28,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:04:28,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:04:28,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:04:28,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:04:28,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:04:28,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:04:28,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:04:28,662 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3047be65ea0fc5640e4cd865efbd9906b9eaeb4a8d01185b0a8bdb2377eb8eb2 [2024-11-08 19:04:28,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:04:28,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:04:28,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:04:28,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:04:28,996 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:04:28,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i Unable to find full path for "g++" [2024-11-08 19:04:30,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:04:31,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:04:31,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i [2024-11-08 19:04:31,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/data/64b91f4ed/bcec3cae584f40d782c0dabd3ec339f6/FLAGaf5c6e059 [2024-11-08 19:04:31,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/data/64b91f4ed/bcec3cae584f40d782c0dabd3ec339f6 [2024-11-08 19:04:31,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:04:31,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:04:31,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:04:31,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:04:31,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:04:31,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f16df8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31, skipping insertion in model container [2024-11-08 19:04:31,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:04:31,458 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i[915,928] [2024-11-08 19:04:31,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:04:31,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:04:31,540 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i[915,928] [2024-11-08 19:04:31,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:04:31,585 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:04:31,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31 WrapperNode [2024-11-08 19:04:31,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:04:31,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:04:31,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:04:31,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:04:31,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,635 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-08 19:04:31,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:04:31,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:04:31,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:04:31,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:04:31,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,676 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:04:31,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:04:31,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:04:31,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:04:31,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:04:31,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:04:31,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:04:31,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:04:31,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:04:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:04:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:04:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:04:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:04:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:04:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:04:31,894 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:04:31,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:04:32,284 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 19:04:32,285 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:04:32,298 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:04:32,298 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:04:32,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:32 BoogieIcfgContainer [2024-11-08 19:04:32,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:04:32,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:04:32,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:04:32,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:04:32,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:04:31" (1/3) ... [2024-11-08 19:04:32,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7241faef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:04:32, skipping insertion in model container [2024-11-08 19:04:32,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (2/3) ... [2024-11-08 19:04:32,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7241faef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:04:32, skipping insertion in model container [2024-11-08 19:04:32,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:32" (3/3) ... [2024-11-08 19:04:32,309 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-89.i [2024-11-08 19:04:32,331 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:04:32,331 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:04:32,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:04:32,424 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d5966af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:04:32,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:04:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 34 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:04:32,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 19:04:32,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:04:32,443 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:32,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:04:32,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash 644638367, now seen corresponding path program 1 times [2024-11-08 19:04:32,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:32,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125511338] [2024-11-08 19:04:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 19:04:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:04:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:04:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:04:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:04:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:04:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:04:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:04:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:04:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:32,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:04:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:04:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 19:04:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:04:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:04:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:04:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:04:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:04:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 19:04:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 19:04:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 19:04:33,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:33,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125511338] [2024-11-08 19:04:33,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125511338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:33,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:33,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:33,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188154024] [2024-11-08 19:04:33,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:33,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:04:33,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:33,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:04:33,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:04:33,116 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 34 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 19:04:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:04:33,142 INFO L93 Difference]: Finished difference Result 107 states and 174 transitions. [2024-11-08 19:04:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:04:33,146 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-11-08 19:04:33,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:04:33,155 INFO L225 Difference]: With dead ends: 107 [2024-11-08 19:04:33,155 INFO L226 Difference]: Without dead ends: 51 [2024-11-08 19:04:33,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:04:33,162 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:04:33,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:04:33,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-08 19:04:33,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-08 19:04:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:04:33,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2024-11-08 19:04:33,228 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 121 [2024-11-08 19:04:33,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:04:33,229 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2024-11-08 19:04:33,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 19:04:33,229 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2024-11-08 19:04:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 19:04:33,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:04:33,233 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:33,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:04:33,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:04:33,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:33,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1200891483, now seen corresponding path program 1 times [2024-11-08 19:04:33,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:33,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314015701] [2024-11-08 19:04:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:33,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 19:04:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:04:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:04:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:04:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:04:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:04:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:04:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:04:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:04:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:04:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:04:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 19:04:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:04:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:04:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:04:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:04:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:04:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 19:04:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 19:04:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 19:04:34,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:34,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314015701] [2024-11-08 19:04:34,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314015701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:04:34,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232742685] [2024-11-08 19:04:34,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:34,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:04:34,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:04:34,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:04:34,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:04:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:04:34,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:04:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 27 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-08 19:04:34,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:04:35,127 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 19:04:35,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232742685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:04:35,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:04:35,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-08 19:04:35,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254189370] [2024-11-08 19:04:35,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:04:35,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:04:35,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:35,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:04:35,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:04:35,135 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-08 19:04:35,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:04:35,412 INFO L93 Difference]: Finished difference Result 105 states and 146 transitions. [2024-11-08 19:04:35,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:04:35,416 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 121 [2024-11-08 19:04:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:04:35,418 INFO L225 Difference]: With dead ends: 105 [2024-11-08 19:04:35,418 INFO L226 Difference]: Without dead ends: 57 [2024-11-08 19:04:35,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 275 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:04:35,420 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 27 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:04:35,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 140 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:04:35,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-08 19:04:35,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2024-11-08 19:04:35,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:04:35,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2024-11-08 19:04:35,440 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 74 transitions. Word has length 121 [2024-11-08 19:04:35,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:04:35,441 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 74 transitions. [2024-11-08 19:04:35,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-08 19:04:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2024-11-08 19:04:35,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 19:04:35,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:04:35,444 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:35,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:04:35,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:04:35,649 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:04:35,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:35,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1202738525, now seen corresponding path program 1 times [2024-11-08 19:04:35,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:35,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565903376] [2024-11-08 19:04:35,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:35,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:04:35,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235740633] [2024-11-08 19:04:35,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:35,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:04:35,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:04:35,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:04:35,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:04:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:04:35,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:04:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:04:35,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:04:35,989 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:04:35,990 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:04:36,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 19:04:36,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:04:36,202 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 19:04:36,273 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:04:36,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:04:36 BoogieIcfgContainer [2024-11-08 19:04:36,277 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:04:36,277 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:04:36,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:04:36,278 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:04:36,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:32" (3/4) ... [2024-11-08 19:04:36,281 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:04:36,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:04:36,284 INFO L158 Benchmark]: Toolchain (without parser) took 5054.02ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 107.2MB in the beginning and 94.6MB in the end (delta: 12.5MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-08 19:04:36,284 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 148.9MB. Free memory was 94.3MB in the beginning and 94.2MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:04:36,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.95ms. Allocated memory is still 148.9MB. Free memory was 107.2MB in the beginning and 92.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:04:36,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.99ms. Allocated memory is still 148.9MB. Free memory was 92.5MB in the beginning and 89.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:04:36,286 INFO L158 Benchmark]: Boogie Preprocessor took 57.81ms. Allocated memory is still 148.9MB. Free memory was 89.9MB in the beginning and 86.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:04:36,286 INFO L158 Benchmark]: RCFGBuilder took 604.19ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 68.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:04:36,287 INFO L158 Benchmark]: TraceAbstraction took 3974.68ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 67.9MB in the beginning and 94.6MB in the end (delta: -26.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-08 19:04:36,288 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 186.6MB. Free memory was 94.6MB in the beginning and 94.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:04:36,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 148.9MB. Free memory was 94.3MB in the beginning and 94.2MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.95ms. Allocated memory is still 148.9MB. Free memory was 107.2MB in the beginning and 92.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.99ms. Allocated memory is still 148.9MB. Free memory was 92.5MB in the beginning and 89.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.81ms. Allocated memory is still 148.9MB. Free memory was 89.9MB in the beginning and 86.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 604.19ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 68.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3974.68ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 67.9MB in the beginning and 94.6MB in the end (delta: -26.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 186.6MB. Free memory was 94.6MB in the beginning and 94.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someUnaryDOUBLEoperation at line 31, overapproximation of someBinaryArithmeticDOUBLEoperation at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 5; [L24] unsigned char var_1_3 = 4; [L25] signed long int var_1_4 = -256; [L26] unsigned char var_1_5 = 0; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] double var_1_9 = 9.5; [L31] double var_1_10 = -0.4; [L32] double var_1_11 = 31.5; [L33] double var_1_12 = 16.25; [L34] double var_1_13 = 127.5; [L35] double var_1_14 = 100000.5; VAL [isInitial=0, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_2=5, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L94] isInitial = 1 [L95] FCALL initially() [L96] int k_loop; [L97] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_2=5, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L97] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_2=5, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L97] COND TRUE k_loop < 1 [L98] FCALL updateLastVariables() [L99] CALL updateVariables() [L56] var_1_2 = __VERIFIER_nondet_uchar() [L57] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L57] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L58] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L58] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L59] var_1_3 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L60] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L61] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L61] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L62] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L62] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L63] var_1_4 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L64] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L65] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L65] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L66] var_1_5 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L67] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L68] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L68] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L70] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_8=0, var_1_9=19/2] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_8=0, var_1_9=19/2] [L74] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L74] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L75] var_1_8 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_9=19/2] [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_9=19/2] [L77] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L77] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L78] var_1_10 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L79] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L80] var_1_12 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L81] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L82] var_1_13 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L83] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_14=200001/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L84] var_1_14 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L85] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_1=0, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L99] RET updateVariables() [L100] CALL step() [L39] COND TRUE (var_1_2 / var_1_3) >= var_1_4 [L40] var_1_1 = (var_1_5 && var_1_6) VAL [isInitial=1, var_1_11=63/2, var_1_1=1, var_1_2=13, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L44] unsigned char stepLocal_0 = (var_1_6 && var_1_8) || (var_1_2 >= 5); VAL [isInitial=1, stepLocal_0=1, var_1_11=63/2, var_1_1=1, var_1_2=13, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L45] COND TRUE stepLocal_0 && (var_1_3 < var_1_4) [L46] var_1_9 = var_1_10 VAL [isInitial=1, var_1_10=2, var_1_11=63/2, var_1_1=1, var_1_2=13, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] [L50] unsigned char stepLocal_1 = var_1_6; VAL [isInitial=1, stepLocal_1=1, var_1_10=2, var_1_11=63/2, var_1_1=1, var_1_2=13, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] [L51] COND TRUE (((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) > ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))) || stepLocal_1 [L52] var_1_11 = (((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))) + var_1_14) VAL [isInitial=1, var_1_10=2, var_1_1=1, var_1_2=13, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] [L100] RET step() [L101] CALL, EXPR property() [L90-L91] return ((((var_1_2 / var_1_3) >= var_1_4) ? (var_1_1 == ((unsigned char) (var_1_5 && var_1_6))) : (var_1_1 == ((unsigned char) ((var_1_3 >= var_1_2) && (var_1_7 || var_1_8))))) && ((((var_1_6 && var_1_8) || (var_1_2 >= 5)) && (var_1_3 < var_1_4)) ? (var_1_9 == ((double) var_1_10)) : (var_1_9 == ((double) var_1_10)))) && (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) > ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))) || var_1_6) ? (var_1_11 == ((double) (((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))) + var_1_14))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=2, var_1_1=1, var_1_2=13, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_1=1, var_1_2=13, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_1=1, var_1_2=13, var_1_3=514, var_1_4=6, var_1_5=-255, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 217 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 122 mSDtfsCounter, 142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 334 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 605 NumberOfCodeBlocks, 605 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 933 SizeOfPredicates, 1 NumberOfNonLiveVariables, 266 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2655/2736 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:04:36,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3047be65ea0fc5640e4cd865efbd9906b9eaeb4a8d01185b0a8bdb2377eb8eb2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:04:38,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:04:38,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:04:38,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:04:38,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:04:38,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:04:38,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:04:38,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:04:38,908 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:04:38,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:04:38,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:04:38,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:04:38,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:04:38,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:04:38,915 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:04:38,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:04:38,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:04:38,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:04:38,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:04:38,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:04:38,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:04:38,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:04:38,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:04:38,923 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:04:38,923 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:04:38,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:04:38,924 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:04:38,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:04:38,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:04:38,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:04:38,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:04:38,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:04:38,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:04:38,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:04:38,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:04:38,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:04:38,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:04:38,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:04:38,927 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:04:38,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:04:38,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:04:38,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:04:38,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:04:38,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:04:38,931 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3047be65ea0fc5640e4cd865efbd9906b9eaeb4a8d01185b0a8bdb2377eb8eb2 [2024-11-08 19:04:39,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:04:39,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:04:39,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:04:39,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:04:39,420 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:04:39,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i Unable to find full path for "g++" [2024-11-08 19:04:41,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:04:41,732 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:04:41,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i [2024-11-08 19:04:41,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/data/dd6b6de93/6584c8fe99df4d74b997604d450d5fac/FLAGf1ceef1c0 [2024-11-08 19:04:41,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/data/dd6b6de93/6584c8fe99df4d74b997604d450d5fac [2024-11-08 19:04:41,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:04:41,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:04:41,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:04:41,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:04:41,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:04:41,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:04:41" (1/1) ... [2024-11-08 19:04:41,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419a6cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:41, skipping insertion in model container [2024-11-08 19:04:41,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:04:41" (1/1) ... [2024-11-08 19:04:41,797 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:04:42,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i[915,928] [2024-11-08 19:04:42,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:04:42,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:04:42,121 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-89.i[915,928] [2024-11-08 19:04:42,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:04:42,190 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:04:42,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42 WrapperNode [2024-11-08 19:04:42,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:04:42,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:04:42,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:04:42,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:04:42,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,270 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-08 19:04:42,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:04:42,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:04:42,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:04:42,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:04:42,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,321 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:04:42,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:04:42,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:04:42,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:04:42,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:04:42,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (1/1) ... [2024-11-08 19:04:42,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:04:42,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:04:42,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:04:42,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:04:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:04:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:04:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:04:42,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:04:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:04:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:04:42,556 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:04:42,563 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:04:43,472 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 19:04:43,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:04:43,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:04:43,493 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:04:43,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:43 BoogieIcfgContainer [2024-11-08 19:04:43,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:04:43,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:04:43,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:04:43,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:04:43,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:04:41" (1/3) ... [2024-11-08 19:04:43,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31acb742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:04:43, skipping insertion in model container [2024-11-08 19:04:43,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:42" (2/3) ... [2024-11-08 19:04:43,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31acb742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:04:43, skipping insertion in model container [2024-11-08 19:04:43,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:43" (3/3) ... [2024-11-08 19:04:43,507 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-89.i [2024-11-08 19:04:43,528 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:04:43,529 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:04:43,605 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:04:43,612 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5cdefcaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:04:43,612 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:04:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 34 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:04:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 19:04:43,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:04:43,633 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:43,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:04:43,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash 644638367, now seen corresponding path program 1 times [2024-11-08 19:04:43,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:04:43,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190003051] [2024-11-08 19:04:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:43,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:04:43,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:04:43,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:04:43,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 19:04:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:44,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:04:44,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:04:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-08 19:04:44,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:04:44,063 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:04:44,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190003051] [2024-11-08 19:04:44,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190003051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:44,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:44,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:44,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707017567] [2024-11-08 19:04:44,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:44,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:04:44,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:04:44,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:04:44,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:04:44,101 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 34 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 19:04:44,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:04:44,133 INFO L93 Difference]: Finished difference Result 107 states and 174 transitions. [2024-11-08 19:04:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:04:44,136 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-11-08 19:04:44,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:04:44,143 INFO L225 Difference]: With dead ends: 107 [2024-11-08 19:04:44,143 INFO L226 Difference]: Without dead ends: 51 [2024-11-08 19:04:44,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:04:44,150 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:04:44,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:04:44,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-08 19:04:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-08 19:04:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:04:44,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2024-11-08 19:04:44,192 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 121 [2024-11-08 19:04:44,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:04:44,193 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2024-11-08 19:04:44,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 19:04:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2024-11-08 19:04:44,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 19:04:44,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:04:44,198 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:44,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 19:04:44,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:04:44,399 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:04:44,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:44,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1200891483, now seen corresponding path program 1 times [2024-11-08 19:04:44,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:04:44,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904381323] [2024-11-08 19:04:44,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:44,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:04:44,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:04:44,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:04:44,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 19:04:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:44,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:04:44,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:04:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 371 proven. 48 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-08 19:04:45,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:04:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 19:04:45,973 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:04:45,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904381323] [2024-11-08 19:04:45,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1904381323] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:04:45,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:04:45,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-08 19:04:45,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37746406] [2024-11-08 19:04:45,977 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:04:45,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:04:45,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:04:45,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:04:45,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:04:45,984 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-08 19:04:47,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:04:47,229 INFO L93 Difference]: Finished difference Result 109 states and 149 transitions. [2024-11-08 19:04:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:04:47,238 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 121 [2024-11-08 19:04:47,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:04:47,240 INFO L225 Difference]: With dead ends: 109 [2024-11-08 19:04:47,241 INFO L226 Difference]: Without dead ends: 61 [2024-11-08 19:04:47,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:04:47,245 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 47 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:04:47,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 165 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 19:04:47,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-08 19:04:47,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2024-11-08 19:04:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:04:47,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 77 transitions. [2024-11-08 19:04:47,272 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 77 transitions. Word has length 121 [2024-11-08 19:04:47,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:04:47,276 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 77 transitions. [2024-11-08 19:04:47,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-08 19:04:47,276 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2024-11-08 19:04:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 19:04:47,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:04:47,281 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:47,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 19:04:47,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:04:47,482 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:04:47,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:47,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1202738525, now seen corresponding path program 1 times [2024-11-08 19:04:47,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:04:47,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111636176] [2024-11-08 19:04:47,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:47,485 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:04:47,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:04:47,488 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:04:47,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 19:04:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:47,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:04:47,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:47,032 WARN L286 SmtUtils]: Spent 21.18s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:09:14,952 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:09:40,345 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:09:53,265 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:10:18,600 WARN L286 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:10:27,415 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:10:41,466 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:10:46,631 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:10:54,848 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:02,909 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:20,042 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:26,160 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:33,176 WARN L286 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:50,220 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:12:12,052 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:12:39,932 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:12:57,271 WARN L286 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:13:05,509 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:13:45,403 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:14:40,645 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:14:45,770 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:14:56,741 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:15:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 19:15:14,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:15:14,668 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:15:14,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111636176] [2024-11-08 19:15:14,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2111636176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:15:14,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:15:14,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-08 19:15:14,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935802822] [2024-11-08 19:15:14,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:14,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 19:15:14,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:15:14,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 19:15:14,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:15:14,673 INFO L87 Difference]: Start difference. First operand 59 states and 77 transitions. Second operand has 20 states, 20 states have (on average 2.05) internal successors, (41), 19 states have internal predecessors, (41), 4 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-08 19:15:26,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:06,808 WARN L286 SmtUtils]: Spent 35.72s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:16:52,012 WARN L286 SmtUtils]: Spent 38.78s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:16:54,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:55,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:57,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:58,148 INFO L93 Difference]: Finished difference Result 93 states and 108 transitions. [2024-11-08 19:16:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 19:16:58,166 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.05) internal successors, (41), 19 states have internal predecessors, (41), 4 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 121 [2024-11-08 19:16:58,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:58,169 INFO L225 Difference]: With dead ends: 93 [2024-11-08 19:16:58,169 INFO L226 Difference]: Without dead ends: 91 [2024-11-08 19:16:58,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 112.8s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2024-11-08 19:16:58,171 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 90 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:58,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 234 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 19.4s Time] [2024-11-08 19:16:58,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-08 19:16:58,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 82. [2024-11-08 19:16:58,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 55 states have internal predecessors, (59), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:16:58,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 97 transitions. [2024-11-08 19:16:58,195 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 97 transitions. Word has length 121 [2024-11-08 19:16:58,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:58,195 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 97 transitions. [2024-11-08 19:16:58,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.05) internal successors, (41), 19 states have internal predecessors, (41), 4 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-08 19:16:58,196 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2024-11-08 19:16:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 19:16:58,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:58,199 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:58,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 19:16:58,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:58,400 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:58,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:58,401 INFO L85 PathProgramCache]: Analyzing trace with hash -522680155, now seen corresponding path program 1 times [2024-11-08 19:16:58,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:58,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878817431] [2024-11-08 19:16:58,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:58,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:58,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:16:58,405 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:16:58,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a24c061-8d49-42fc-b2df-d2dad82e359e/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 19:16:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:58,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:16:58,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:18:21,951 WARN L286 SmtUtils]: Spent 37.32s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)